Sentence examples for birth data were obtained from inspiring English sources

Birth data were obtained from National Center for Health Statistics Natality Data Sets.

Live birth data were obtained from the Texas Department of State Health Services Vital Statistics Bureau.

Live birth data were obtained from the Colorado Vital Birth Statistics (CDPHE, Denver, CO).

Birth weight data were obtained during interviews with parents (usually mothers) and 90% of recalled birth weights were validated from Parent Held Child Health Records PHCHRR) which the majority of the cohort used [ 16].

Birth records data were obtained from the Division of Vital Statistics, Reproductive Statistics Branch of the National Center for Health Statistics (2006) for all registered births in Connecticut and Massachusetts from 1 January 1999 to 31 December 2002 (n = 495,260).

Birth outcome data were obtained by accessing electronic medical records.

Complete Norwegian birth cohort data were obtained from national registries.

Birth weight data were obtained from medical records within a few weeks of delivery.

Both questionnaires were completed and medical birth register data were obtained for 4921 infants (60.2% of the selected population).

Pregnancy and birth outcome data were obtained directly from electronic health records (EHR) for the hospital admission for labour and delivery.

Data for birth-related risk data were obtained from the Canadian Neonatal Network Study [ 29] for the NICU children whose parents provided written consent for data linkage.